According to recent evidence, which drug used to treat migraine headaches has some potential for addiction?
Definition of metabolism for Students. : the processes by which a living organism uses food to obtain energy and build tissue and disposes of waste material.
Energy. Metabolism refers to the process by which your body converts calories from food into energy it can use. Your body needs energy -- even while you are at rest -- for breathing, circulating blood, repairing cells and all other bodily functions.